document.write( "Question 1018631: Please help me solve this problem: 13-(-5m+3)=3+3m-17 \n" ); document.write( "
Algebra.Com's Answer #634714 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the equation is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "13 - (-5m+3) = 3 + 3m-17\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "first remove parentheses.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- (-5m+3) is equivalent to -1 * (-5m+3) which is equal to (-1 * -5m) + (-1 * 3).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-1 * -5m is equal to 5m.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-1 * 3 is equal to -3.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- (-5m+3) is therefore equivalent to 5m - 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your equation of 13 - (-5m+3) = 3 + 3m-17 becomes:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "13 + 5m - 3 = 3 + 3m - 17\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "combine like terms to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "10 + 5m = 3m - 14\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 3m from both sides of the equation and subtract 10 from both sides of the equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5m - 3m = -14 - 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "combine like terms to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2m = -24\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "divide both sides by 2 to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m = -12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that should be your solution if we did this correctly.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "confirm by replacing m with -12 in the original equation of 13 - (-5m+3) = 3 + 3m-17 to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "13 - (-5 * -12 + 3) = 3 + 3 * -12 - 17\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "13 - (60 + 3) = 3 - 36 - 17\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify further to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "13 - 63 = 3 - 36 - 17\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "combine like terms to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-50 = -50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this confirms the solution is good.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the solution is m = -12.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |